RCMA www.vishay.com Vishay Sfernice Molded Metal Film Very High Stability (< 0.25 % After 1000 h) and Precision (up to 0.1 %) Resistors FEATURES 0.1 W to 2 W at 70 C EN140-201 CECC 4101-803 Very high stability: drift < 0.25 % after 1000 h Reduced total excursion: high initial precision (to 0.1 %) with low temperature coefficient (down to 15 ppm/C) The models in this series are the first ones qualified by the CNES for spatial applications (certificate N4 dated October 22, 1972) Wide range ohmic values 1 to 5 M Accurate dimensions, high insulation and great mechanical strength High climatic performances: -65 C / +155 C / 56 days Matching tolerance: 0.1 % Tracking TCR: 5 ppm/C Termination: pure matte tin Material categorization: for definitions of compliance please see www.vishay.com/doc 99912 DIMENSIONS in millimeters SERIES A max. B max. C WEIGHT in g 25 min. A 25 min. RCMA02 6.7 2.5 0.6 0.26 RCMA05 10.4 4.2 0.6 0.46 RCMA08 16.5 6.4 0.8 1.3 RCMA1 19.3 6.4 0.8 1.5 B C RCMA2 29 10.2 0.8 4.4 RCMA4 54 10.2 0.8 13 STANDARD ELECTRICAL SPECIFICATIONS RESISTANCE RATED POWER LIMITING ELEMENT TEMPERATURE TOLERANCE MODEL RANGE P VOLTAGE COEFFICIENT 70 C % W V ppm/C RCMA02 1 to 1M 0.125 300 0.1, 0.2, 0.5, 1 15, 50 RCMA05 1 to 1M 0.250 350 0.1, 0.2, 0.5, 1 15, 50 RCMA08 1 to 1.5M 0.500 400 0.1, 0.2, 0.5, 1 15, 50 RCMA1 1 to 2M 0.75 500 0.1, 0.2, 0.5, 1 15, 25 RCMA2 1 to 2.5M 1.0 600 0.1, 0.2, 0.5, 1 15, 25 RCMA4 1 to 5M 2.0 800 0.1, 0.2, 0.5, 1 15, 25 Note Undergoes European Quality Insurance System (CECC) Revision: 25-Oct-2019 Document Number: 52009 1 For technical questions, contact: sferfixedresistors vishay.com THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc 91000 RCMA www.vishay.com Vishay Sfernice TECHNICAL SPECIFICATIONS VISHAY SFERNICE SERIES RCMA02 RCMA05 RCMA08 RCMA1 RCMA2 RCMA4 K4 K4 NF C 83-230 -- - RS58P RS63P RS68P CECC 4101-803 BE CE DE - - - Power Rating at 70 C 0.125 W 0.250 W 0.500 W 0.75 W 1 W 2 W 0.2 % 10 to 332 k 10 to 332 k 10 to 1 M 10 to 1 M 10 to 1 M 10 to 2.5 M K3 Resistance 0.5 % 1 % 1 to 1 M 1 to 1 M 1 to 1.5 M 1 to 2 M 1 to 2.5 M 1 W to 5 M Value Range 0.1 % 0.2 % 10 to 332 k 10 to 332 k 10 to 1 M 10 to 1 M 10 to 1 M 10 to 2.5 M in Relation to K4 - Tolerance 0.5 % 1 % 1 to 1 M 1 to 1 M 1 to 1.5 M 1 to 2 M 1 to 2.5 M 1 to 5 M - Temperature 0.1 % 0.2 % 10 to 332 k 10 to 332 k 10 to 750 k 10 to 750 k Coefficient K5 10 to 100 k 10 to 100 k 0.5 % 1 % 10 to 1 M 10 to 1 M 10 to 1.5 M 10 to 2 M Maximum Voltage 300 V 350 V 400 V 500 V 600 V 800 V Critical Resistance 720 k 490 k 320 k 333 k 360 k 320 k Rated in the range K3 50 ppm/C K4 25 ppm/C -55 C to +155 C Temperature Coefficient Typical in the range K5 15 ppm/C 0 C to +155 C 7 Insulation Resistance > 10 M Voltage Coefficient 0.0001 %/V Environmental Specifications -65 C / +155 C / 56 days Note Undergoes European Quality Insurance System (CECC) PERFORMANCE CECC 40 100 EN 140-201 TYPICAL VALUES AND DRIFTS TESTS CONDITIONS STD 202 REQUIREMENTS Load Life at 1 % 1000 h at 125 C 50 % of P 0.25 % or 0.05 n Maximum Category Temperature Insulation resistance > 1 G 2.5 Un / 5 s Short Time Overload (0.25 % + 0.05 ) 0.1 % or 0.05 Limited to 2 Um Damp Heat Humidity 56 days (1 % + 0.05 ) 0.2 % or 0.05 (Steady State) with low load Insulation resistance > 1 G Rapid Temperature Change -55 C to +155 C (0.25 % + 0.05 ) 0.1 % or 0.05 (1 % + 0.05 ) 0.25 % or 0.05 Climatic Sequence -65 C to +155 C 6 Insulation resistance > 1 G Insulation resistance 10 M Terminal Strength Pull - twist - 2 bends (0.25 % + 0.05 ) 0.05 % or 0.05 Vibration 10 Hz to 500 Hz (0.25 % + 0.05 ) 0.05 % or 0.05 Soldering (Thermal Shock) + 260 C 10 s (0.25 % + 0.05 ) 0.05 % or 0.05 Cycle 90/30 (1 % + 0.05 ) Load Life 0.1 % or 0.05 1000 h at P at 70 C Insulation resistance > 1 G n 1 year Shelf Life - 0.1 % or 0.05 ambient temperature Revision: 25-Oct-2019 Document Number: 52009 2 For technical questions, contact: sferfixedresistors vishay.com THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc 91000